code: def test_json_in_query_string_name():
      query_string = '?_through.["roadside_attraction_characteristics"%2C"characteristic_id"]=1'
      request = Request.fake("/" + query_string)
      assert (
          request.args[
              '_through.["roadside_attraction_characteristics","characteristic_id"]'
          ]
          == "1"
      )
  
file_path: datasette/tests/test_internals_request.py
imports: from datasette.utils.asgi import Request
  import json
  import pytest
label_desc: Use image node_id 7 for calling a global function with example usage: test_json_in_query_string_name() without return types